Home / 88,387,208,617.77-121,974,396,823.29-47,742,119,885.25

Finding the Fourth Proportional to 88,387,208,617.77, 121,974,396,823.29 and 47,742,119,885.25

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Solution

The fourth proportional to 88,387,208,617.77, 121,974,396,823.29 and 47,742,119,885.25 is: 65,884,151,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,387,208,617.77 : 121,974,396,823.29 = 47,742,119,885.25 : x
  2. Step 2: Convert to fraction form
    88,387,208,617.77/121,974,396,823.29 = 47,742,119,885.25/x
  3. Step 3: Cross multiply
    88,387,208,617.77x = 121,974,396,823.29 × 47,742,119,885.25
  4. Step 4: Simplify right side
    88,387,208,617.77x = 5,823,316,276,068,323,688,448
  5. Step 5: Solve for x
    x = 5,823,316,276,068,323,688,448/88,387,208,617.77
  6. Step 6: Final answer
    x = 65,884,151,871.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.