Home / 98,686,741.40-136,201,955.22-56,862,799.40

Finding the Fourth Proportional to 98,686,741.40, 136,201,955.22 and 56,862,799.40

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Solution

The fourth proportional to 98,686,741.40, 136,201,955.22 and 56,862,799.40 is: 78,478,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,686,741.40 : 136,201,955.22 = 56,862,799.40 : x
  2. Step 2: Convert to fraction form
    98,686,741.40/136,201,955.22 = 56,862,799.40/x
  3. Step 3: Cross multiply
    98,686,741.40x = 136,201,955.22 × 56,862,799.40
  4. Step 4: Simplify right side
    98,686,741.40x = 7,744,824,457,562,643
  5. Step 5: Solve for x
    x = 7,744,824,457,562,643/98,686,741.40
  6. Step 6: Final answer
    x = 78,478,875.15

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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.