Home / 142,398,454.40-213,597,681.60-93,080,729.60

Finding the Fourth Proportional to 142,398,454.40, 213,597,681.60 and 93,080,729.60

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Solution

The fourth proportional to 142,398,454.40, 213,597,681.60 and 93,080,729.60 is: 139,621,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,398,454.40 : 213,597,681.60 = 93,080,729.60 : x
  2. Step 2: Convert to fraction form
    142,398,454.40/213,597,681.60 = 93,080,729.60/x
  3. Step 3: Cross multiply
    142,398,454.40x = 213,597,681.60 × 93,080,729.60
  4. Step 4: Simplify right side
    142,398,454.40x = 19,881,828,044,196,492
  5. Step 5: Solve for x
    x = 19,881,828,044,196,492/142,398,454.40
  6. Step 6: Final answer
    x = 139,621,094.40

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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.