Home / 105,077,030.40-157,615,545.60-90,716,313.60

Finding the Fourth Proportional to 105,077,030.40, 157,615,545.60 and 90,716,313.60

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Solution

The fourth proportional to 105,077,030.40, 157,615,545.60 and 90,716,313.60 is: 136,074,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,077,030.40 : 157,615,545.60 = 90,716,313.60 : x
  2. Step 2: Convert to fraction form
    105,077,030.40/157,615,545.60 = 90,716,313.60/x
  3. Step 3: Cross multiply
    105,077,030.40x = 157,615,545.60 × 90,716,313.60
  4. Step 4: Simplify right side
    105,077,030.40x = 14,298,301,262,884,698
  5. Step 5: Solve for x
    x = 14,298,301,262,884,698/105,077,030.40
  6. Step 6: Final answer
    x = 136,074,470.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.